幸福就是把某人抱在怀里,知道你拥有了整个世界。
Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.
从做必要的事情开始;然后做可能的事情;突然间你就在做不可能的事情了。
Progress in agriculture must be measured not just in yield, but in long-term environmental impact.